Science Bulletin Articles

Current situation and capacity building needs of agricultural extension staff in the context of climate change: A case study in mountainous areas of Vietnam
Keywords:

Challenges · Climate change adaptation · Extension workers · Training needs

Current situation and capacity building needs of agricultural extension staff in the context of climate change: A case study in mountainous areas of Vietnam

This study examines the current capacity, challenges, and training needs of agricultural extension staff in the northern mountainous region of Vietnam in the context of climate change. Conducted between 2021 and 2022, the study employed a cross-sectional survey design using stratified sampling, covering 151 respondents, including both extension workers and leaders, from Thai Nguyen and...

Hoang, H., Ha, T., Pham, H., Vu, A., Khuat, H., & Hoang, N. (2025). Current situation and capacity building needs of agricultural extension staff in the context of climate change: A case study in mountainous areas of Vietnam. APN Science Bulletin, 15(1). doi:10.30852/sb.2025.2899

Socio-ecological approaches in the science of pricing ecosystem services: A perception-based study in some wetlands of Asia and the Pacific
Keywords:

Asia · Ecosystem services · Perception Study · Science of Pricing · Wetlands

Socio-ecological approaches in the science of pricing ecosystem services: A perception-based study in some wetlands of Asia and the Pacific

Ecosystem services are natural benefits that support the lives and livelihoods of humans and are classified as use and non-use types, for provisioning, regulatory, supportive and cultural features. For the valuation and pricing of intangible non-use ecosystem services, several methods have been proposed, including accounting for loss and damage, or compensating opportunity costs. This study...

Dey, D., Roy, J., Islam, R., & Dey, M. (2025). Socio-ecological approaches in the science of pricing ecosystem services: A perception-based study in some wetlands of Asia and the Pacific. APN Science Bulletin, 15(1). doi:10.30852/sb.2025.2889

A hierarchical and inclusive zonation of Sundarbans for monitoring and management of the world heritage area
Keywords:

HIERARCHICAL ZONATION · MANGROVE ECOSYSTEM · Remote sensing · SUNDARBANS · VULNERABILITY ANALYSIS

A hierarchical and inclusive zonation of Sundarbans for monitoring and management of the world heritage area

The Sundarbans is the world’s largest mangrove forest, spanning across India and Bangladesh. Several studies have been conducted on various aspects of the ecosystem, primarily at a local scale, with most broad-scale studies confined to either the Indian or Bangladeshi part. To enhance the conservation and management of this extensive mangrove ecosystem, comprehensive studies encompassing...

Srivastava, S.K., A. Mukul, S., Banerjee, S., Barman, D., Kar, G., Hindersah, R., ... A. S. Arfin Khan, M. (2025). A hierarchical and inclusive zonation of Sundarbans for monitoring and management of the world heritage area. APN Science Bulletin, 15(1). doi:10.30852/sb.2025.2896

Building resiliency of smallholder farmers in upland farming communities in Isabela Province, Philippines
Keywords:

Agroforestry · Community resilience · Shocks · Smallholder farmer · Upland community

Building resiliency of smallholder farmers in upland farming communities in Isabela Province, Philippines

Smallholder upland farmers in the Philippines’ marginal hilly areas, particularly those practising continuous corn monocropping, are among the most vulnerable groups to climate shocks, including typhoons, drought and the recent COVID-19 pandemic. Sound science-based response strategies and measures, such as agro- forestry systems, are imperative to build the resilience of vulnerable smallholder upland farming communities....

Ocampo, M.T.N.P., Garcia, J.N.M., Landicho, L.D., Cabahug, R.E.D., Barcellano, E.V., & Urmeneta, A.J.S. (2025). Building resiliency of smallholder farmers in upland farming communities in Isabela Province, Philippines. APN Science Bulletin, 15(1). doi:10.30852/sb.2025.2877

Comparing flood risk drivers and adaptation responses in Indonesia and the Philippines
Keywords:

Disaster · Exposure · Flooding · Vulnerability

Comparing flood risk drivers and adaptation responses in Indonesia and the Philippines

The drivers of flood risk are increasingly complex, intertwined and local. International comparative analysis of these local socio-environmental systems has the potential to strengthen governance mechanisms of flood risk. This research presents two case studies from Indonesia and the Philippines, showing distinct patterns of flood risk shifts. We show how what appear to be disparate...

Opdyke, A., Meilianda, E., Alfian, D., Santiago, J., E. Mendoza, J., Delmendo, P.A., ... A. Lagmay, A.M.F. (2025). Comparing flood risk drivers and adaptation responses in Indonesia and the Philippines. APN Science Bulletin, 15(1). doi:10.30852/sb.2025.2885

Fronts converging microplastics in the Asia-Pacific river plumes
Keywords:

Estuary · Front · Microplastics · Plastic · Plume · River

Fronts converging microplastics in the Asia-Pacific river plumes

Convergent surface fronts are a common feature in river plumes, where they gather suspended materials and biota, playing an important role in the estuarine ecological processes. Yet, systematic observations of microplastics in plume fronts have been limited despite rivers being major conduits of plastic waste entering the global ocean. By collecting samples in front, plume...

Zhao, S., Amin, R.M., Wang, T., Paramasivan, T., Xu, D., & Chen, Z. (2025). Fronts converging microplastics in the Asia-Pacific river plumes. APN Science Bulletin, 15(1). doi:10.30852/sb.2025.2878

An orienting framework of municipal enablers in urban river governance
Keywords:

Enablers · Integrated water resource management · Local government · Multilevel governance · Urban river · Water governance

An orienting framework of municipal enablers in urban river governance

Urban river governance is a serious challenge that affects the management and maintenance of human and ecological health under the pressures of urbanisation and climate change. Research has examined river governance in terms of complex processes requiring multi-level coordination at a basin scale. The integrated principle of water management has been promoted through basin-wide governance...

Novalia, W., & Suwarso, R. (2025). An orienting framework of municipal enablers in urban river governance. APN Science Bulletin, 15(1). doi:10.30852/sb.2025.2830

Integrated assessment of existing practices and development of pathways for the effective integration of nature-based water treatment in urban areas
Keywords:

Assessment framework · Constructed floating wetlands · Constructed wetlands · Ecosystem · Green roof systems · Nature-based solutions

Integrated assessment of existing practices and development of pathways for the effective integration of nature-based water treatment in urban areas

Water pollution poses a significant and escalating threat to urban environments, particularly in the rapidly expanding cities of Asia. Addressing this challenge requires implementing cost-effective solutions, and one such approach is the deployment of Nature-based Solutions (NbS) to treat septic tank effluents, canals and lakes. This study represents a pivotal step in this direction by...

Jegatheesan, V., Velasco, P., Pachova, N., Diem Trangd, N.T., Bui, X., Mohammed Mowjood, M.I., ... Torrens, A. (2025). Integrated assessment of existing practices and development of pathways for the effective integration of nature-based water treatment in urban areas. APN Science Bulletin, 14(1). doi:10.30852/sb.2024.2792

Global warming impacts on marine diversity and key indicator species in East Asia
Keywords:

East Asia · Global warming · Marine biodiversity · Marine ecosystems · Poleward migration

Global warming impacts on marine diversity and key indicator species in East Asia

Marine ecosystems in the northwest Pacific are known for their high biodiversity, with many marine species, from tiny plankton to huge macroalgae. Marine biodiversity is affected by irreversible global warming, mainly the increase of greenhouse gas emissions from anthropogenic activities. For the past several decades, marine ecosystems in East Asia have been changing due to...

Subramaniamam, T., Jung, S., Sun, X., Kawakami, T., Vallejo, B.J., Orlova, T., ... Choi, K. (2025). Global warming impacts on marine diversity and key indicator species in East Asia. APN Science Bulletin, 14(1). doi:10.30852/sb.2024.2789

Blue carbon ecosystems in the Coral Triangle: A perceptive approach to climate adaptation
Keywords:

Blue carbon · Community perception · Indonesia · Mangroves · Philippines · Seagrass

Blue carbon ecosystems in the Coral Triangle: A perceptive approach to climate adaptation

This paper offers a comprehensive synthesis of nine research papers from the Asia-Pacific Network for Global Change Research (APN) project titled “Enhancing Capacities of Local Stakeholders in Coral Triangle in Managing Blue Carbon Ecosystems for Climate Mitigation and Adaptation.” These papers are organised into four key thematic areas: (1) assessing the status of mangrove degradation and...

Alsaaideh, B., Quevedo, J.M.D., Lukman, K.M., Uchiyama, Y., Sofue, Y., & Kohsaka, R. (2025). Blue carbon ecosystems in the Coral Triangle: A perceptive approach to climate adaptation. APN Science Bulletin, 14(1). doi:10.30852/sb.2024.2790